--- product_id: 322368101 title: "Q4 - Mini Stereo Gaming DAC & Headphone Amplifier, 24-Bit/192 KHz USB/Optical/Coaxial to RCA AUX, Digital-to-Analog Audio Converter Adapter for Home/Desktop Powered/Active Speakers - Black" brand: "fosi audio" price: "€ 150.68" currency: EUR in_stock: true reviews_count: 11 category: "Fosi Audio" url: https://www.desertcart.hr/products/322368101-q4-mini-stereo-gaming-dac-and-headphone-amplifier-24-bit store_origin: HR region: Croatia --- # Drives 16-200Ω headphones 24-bit/192kHz bit-perfect streaming 160mW RMS power output Q4 - Mini Stereo Gaming DAC & Headphone Amplifier, 24-Bit/192 KHz USB/Optical/Coaxial to RCA AUX, Digital-to-Analog Audio Converter Adapter for Home/Desktop Powered/Active Speakers - Black **Brand:** fosi audio **Price:** € 150.68 **Availability:** ✅ In Stock ## Summary > 🎧 Elevate your desktop audio game—because your ears deserve the upgrade! ## Quick Answers - **What is this?** Q4 - Mini Stereo Gaming DAC & Headphone Amplifier, 24-Bit/192 KHz USB/Optical/Coaxial to RCA AUX, Digital-to-Analog Audio Converter Adapter for Home/Desktop Powered/Active Speakers - Black by fosi audio - **How much does it cost?** € 150.68 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/322368101-q4-mini-stereo-gaming-dac-and-headphone-amplifier-24-bit) ## Best For - fosi audio enthusiasts ## Why This Product - Trusted fosi audio brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Compact & Durable:** Sleek full-metal shell fits perfectly on any desk setup while protecting your investment. - • **Audiophile-Grade Sound:** Equipped with Texas Instruments NE5532 op-amps for crystal-clear, low-noise audio performance. - • **Plug & Play Simplicity:** No drivers or apps needed—just connect and elevate your audio instantly. - • **Versatile Connectivity:** Supports USB, optical, coaxial, and RCA inputs for seamless integration with all your devices. - • **Customizable Audio Control:** Built-in bass and treble adjustments let you tailor sound to your exact preference. ## Overview The Fosi Audio Q4 is a compact, high-performance DAC and headphone amplifier designed for professionals and audiophiles alike. It delivers pristine 24-bit/192kHz digital-to-analog conversion with low noise and distortion, supports multiple input types including USB, optical, and coaxial, and drives headphones from 16 to 200 ohms. Its robust metal chassis and plug-and-play design make it an essential upgrade for anyone seeking immersive, studio-quality sound at their desk. ## Description Product description DAC Headphone Amplifier How to do plug and play on Windows? Just click the sound icon in your notification area. Click the “Select playback device” option. Select the playback device "Digital HiFi Audio". PC-USB supports input sampling rate: 96K/24Bit High and low sound adjustment range: ±6dB Fiber/coaxial support input sampling rate: 192K/24Bit Frequency response: 20Hz-20kHz (±3dB) PC-USB support operating system: XP/W7/W8/W10/MAC/linux Distortion: 0.01%; SNR: ≥105dB Amp output maximum power: 100mW 32Ω load Headphone matching impedance: 16-200Ω Working voltage: DC5V; RCA output level: 2.3V Size (L*W*H): 73.5*98*33MM (without knobs and terminals) USB Device not recognized on Windows? Select Start, then type device manager in the Search box, and then select Device Manager. Expand Universal Serial Bus controllers. Press and hold (or right-click) a device and select Uninstall. Repeat for each device. Once complete, restart your computer. Your USB controllers will automatically install. DAC Converter It Converts USB, Coaxial or Optical Digital Audio Signals to Analog L/R Audio and Connects to an External Device Such as an Amplifier via 3.5mm Headphone Cable Features Bass & Treble Control Good Anti-Interference Function Makes the Sound Pure and Clear, and There are Professional Headphone Amplifier Chip 97220+NE5532 and Multi-Knob Sound Adjustment, Allowing You to Drive Headphone/RCA Directly and Adjust the Treble Bass Aluminum Metal Housing Comes with an Aluminum Metal Shell Which Makes it Durable, Heat-resisted and High Quality, and It can Easily Install and Operate Great Compatibility It is Lightweight and Compact, Perfectly Working with Any Playback Source with an USB, Optical or Coaxial Digital Audio Output Such as Digital and HD Televisions, Satellite Receivers, CD/DVD/Blu-Ray Players and PS4 Xbox Consoles Review: Hifi is King - Mp3s ruined music. Those who grew up on cassettes and CDs know that music is supposed to sound a certain way. However, those who have only heard Mp3s may not fully understand. Even with low-quality headphones, cassette tapes and CDs provide an immersive listening experience. In contrast, listening to old favorites on iTunes can be dull and lacking in detail. I used to focus on expensive Bluetooth headphones that promised an excellent listening experience, but found that the sound remained unsatisfyingly uniform. Eventually, I discovered the Hifi realm and realized that streaming services offering Mp3s had been scamming us. All I needed was a DAC and a pair of affordable headphones, along with a Hifi subscription from Deezer, to experience the full range of amazing sounds again. I am now listening to my old favorites again and they sound as they did on CD Those who claim that DACs don't make a difference probably grew up on Mp3s. Although it's not necessary to spend a lot of money on this equipment, I found that my DAC headphone combo cost a third of what I paid for my Sony XM4s and provided much better quality. The only downside is that this setup isn't portable. However, it works well for me as I'm mostly at my desk. I just started using this DAC so I can't give a comprehensive review of it. I can tell you it works well and sounds amazing. But I bet an audiophile may laugh in disgust. If anything happens in the coming months I'll update here. Review: Honest and good DAC - Very good product. Don’t expect a very deep bass or any sound profile on mediums and highs. It is a plain, neutral DAC. And for that, it does an excellent job. I liked the construction, the materials quality and the accessories that came with it. ## Technical Specifications | Specification | Value | |---------------|-------| | Brand | Fosi Audio | | Interface type | Coaxial , Optical , USB | | Maximum supply voltage | 5 Volts (DC) | | Minimum supply voltage | 5 Volts (DC) | | Mounting type | Table | | Number of pins | 11 | ## Product Details - **Brand:** Fosi Audio - **Maximum supply voltage:** 5 Volts (DC) - **Minimum supply voltage:** 5 Volts (DC) - **Mounting type:** Table - **Number of pins:** 11 ## Images ![Q4 - Mini Stereo Gaming DAC & Headphone Amplifier, 24-Bit/192 KHz USB/Optical/Coaxial to RCA AUX, Digital-to-Analog Audio Converter Adapter for Home/Desktop Powered/Active Speakers - Black - Image 1](https://m.media-amazon.com/images/I/51ahAHhZF6L.jpg) ## Questions & Answers **Q: Can Q4 output analog stereo audio through both the 3.5mm headphone jack and the RCA red/white jacks at the same time?** A: Q4 will mute the RCA output when headphones are plugged in. **Q: How do I connect Q4 to my computer with USB input?** A: Your other USB cables must support OTG function. -For iPhone: Use a USB B to Lightning OTG Cable. -For Android: Use a USB B to TYPE C Cable. **Q: Where is the 0db position (Q4)?** A: The 0db position is at 12 o'clock on the knob. **Q: Does Q4 support PS5?** A: Yes, it supports PS5. **Q: Can RCA output be connected to a soundbar (e.g., AUX input) (Q4)?** A: Yes, it can work. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Hifi is King *by R***I on 16 August 2023* Mp3s ruined music. Those who grew up on cassettes and CDs know that music is supposed to sound a certain way. However, those who have only heard Mp3s may not fully understand. Even with low-quality headphones, cassette tapes and CDs provide an immersive listening experience. In contrast, listening to old favorites on iTunes can be dull and lacking in detail. I used to focus on expensive Bluetooth headphones that promised an excellent listening experience, but found that the sound remained unsatisfyingly uniform. Eventually, I discovered the Hifi realm and realized that streaming services offering Mp3s had been scamming us. All I needed was a DAC and a pair of affordable headphones, along with a Hifi subscription from Deezer, to experience the full range of amazing sounds again. I am now listening to my old favorites again and they sound as they did on CD Those who claim that DACs don't make a difference probably grew up on Mp3s. Although it's not necessary to spend a lot of money on this equipment, I found that my DAC headphone combo cost a third of what I paid for my Sony XM4s and provided much better quality. The only downside is that this setup isn't portable. However, it works well for me as I'm mostly at my desk. I just started using this DAC so I can't give a comprehensive review of it. I can tell you it works well and sounds amazing. But I bet an audiophile may laugh in disgust. If anything happens in the coming months I'll update here. ### ⭐⭐⭐⭐⭐ Honest and good DAC *by C***N on 26 August 2024* Very good product. Don’t expect a very deep bass or any sound profile on mediums and highs. It is a plain, neutral DAC. And for that, it does an excellent job. I liked the construction, the materials quality and the accessories that came with it. ### ⭐⭐⭐ Not like that above review mentioned one.average product. *by S***T on 25 January 2025* Average product ## Frequently Bought Together - Fosi Audio Q4 Desktop DAC Headphone Amp for PC Mini Stereo Headphone Amplifier Combo USB Optical Coaxial to RCA AUX Digital-to-Analog Audio Converter Adapter for Home Powered Speakers - Sennheiser HD 560 S Over-The-Ear Audiophile Headphones - Neutral Frequency Response, E.A.R. Technology for Wide Sound Field, Open-Back Earcups, Detachable Cable, (Black) (HD 560S) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hr/products/322368101-q4-mini-stereo-gaming-dac-and-headphone-amplifier-24-bit](https://www.desertcart.hr/products/322368101-q4-mini-stereo-gaming-dac-and-headphone-amplifier-24-bit) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-07-04*